Add more type aliases for types moved to the aws-smithy-types crate (…

…#3091)

## Motivation and Context
#3076 missed type alias for
some types we moved to `aws-smithy-types`. This small PR will fix that.

## Testing
Relied on the existing tests in CI

## Checklist
<!--- If a checkbox below is not applicable, then please DELETE it
rather than leaving it unchecked -->
- [x] I have updated `CHANGELOG.next.toml` if I made changes to the
smithy-rs codegen or runtime crates

----

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choice._

CHANGELOG.next.toml

@@ -457,9 +457,9 @@ author = "ysaito1001"
 
 [[smithy-rs]]
 message = """
-`aws_smithy_http::byte_stream::{AggregatedBytes, ByteStream, error::Error}` have been moved to `aws_smithy_types::byte_stream::{AggregatedBytes, ByteStream, error::Error}`. Type aliases for them are left in `aws_smithy_http` for backwards compatibility but are deprecated.
+`aws_smithy_http::byte_stream::{AggregatedBytes, ByteStream, error::Error, FsBuilder, Length}` have been moved to `aws_smithy_types::byte_stream::{AggregatedBytes, ByteStream, error::Error, FsBuilder, Length}`. Type aliases for them are left in `aws_smithy_http` for backwards compatibility but are deprecated.
 """
-references = ["smithy-rs#3076"]
+references = ["smithy-rs#3076", "smithy-rs#3091"]
 meta = { "breaking" = true, "tada" = false, "bug" = false, "target" = "all" }
 author = "ysaito1001"
 

rust-runtime/aws-smithy-http/src/byte_stream.rs

@@ -22,3 +22,13 @@ pub mod error {
     #[deprecated(note = "Moved to `aws_smithy_types::byte_stream::error::Error`.")]
     pub type Error = aws_smithy_types::byte_stream::error::Error;
 }
+
+/// Builder for creating [`ByteStreams`](aws_smithy_types::byte_stream::ByteStream) from a file/path, with full control over advanced options.
+#[cfg(feature = "rt-tokio")]
+#[deprecated(note = "Moved to `aws_smithy_types::byte_stream::FsBuilder`.")]
+pub type FsBuilder = aws_smithy_types::byte_stream::FsBuilder;
+
+/// The length (in bytes) to read. Determines whether or not a short read counts as an error.
+#[cfg(feature = "rt-tokio")]
+#[deprecated(note = "Moved to `aws_smithy_types::byte_stream::Length`.")]
+pub type Length = aws_smithy_types::byte_stream::Length;